<template>
    <div class="app-container calendar-list-container">
        <div class="filter-container">
            <el-input clearable class="filter-item" style="width: 200px;" placeholder="请输入类目ID" v-model="listQuery.id">
            </el-input>
            <el-input clearable class="filter-item" style="width: 200px;" placeholder="请输入类目名称" v-model="listQuery.name">
            </el-input>
            <el-button class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">查找</el-button>
            <el-button class="filter-item" type="primary" icon="el-icon-edit" @click="handleCreate">添加</el-button>
            <!-- <el-button class="filter-item" type="primary" :loading="downloadLoading" icon="el-icon-download" @click="handleDownload">导出</el-button> -->
        </div>

        <el-table size="small" :data="list" v-loading="listLoading" element-loading-text="正在查询中。。。" border fit highlight-current-row>

            <el-table-column align="center" label="类目ID" prop="id">
            </el-table-column>

            <el-table-column align="center" label="类目名" prop="name">
            </el-table-column>

            <el-table-column align="center" property="iconUrl" label="类目图标">
                <template slot-scope="scope">
                    <img :src="scope.row.iconUrl" width="40" v-if="scope.row.iconUrl" />
                </template>
            </el-table-column>

            <el-table-column align="center" min-width="100" label="简介" prop="desc">
            </el-table-column>

            <el-table-column align="center" label="操作" width="200" class-name="small-padding fixed-width">
                <template slot-scope="scope">
                    <el-button type="primary" size="mini" @click="handleUpdate(scope.row)">编辑</el-button>
                    <el-button type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页 -->
        <div class="pagination-container">
            <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="listQuery.page" :page-sizes="[10,20,30,50]" :page-size="listQuery.limit" layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </div>

        <!-- 添加或修改对话框 -->
        <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
            <el-form :rules="rules" ref="dataForm" :model="dataForm" status-icon label-position="left" label-width="100px" style='width: 400px; margin-left:50px;'>
                <el-form-item label="类目名称" prop="name">
                    <el-input v-model="dataForm.name"></el-input>
                </el-form-item>
                <el-form-item label="类目简介" prop="desc">
                    <el-input v-model="dataForm.desc"></el-input>
                </el-form-item>
                <el-form-item label="类目图标" prop="iconUrl">
                    <el-upload class="avatar-uploader" :headers="headers" :action='uploadPath' list-type="picture-card" :show-file-list="false" accept=".jpg,.jpeg,.png,.gif" :on-success="uploadIconUrl">
                        <img v-if="dataForm.iconUrl" :src="dataForm.iconUrl" class="avatar">
                        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                    </el-upload>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取消</el-button>
                <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
                <el-button v-else type="primary" @click="updateData">确定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
    <script>
import {
  createMechanismCategory,
  listMechanismCategory,
  deleteMechanismCategory,
  updateMechanismCategory
} from '@/api/mechanismCategory'
import { uploadPath } from '@/api/storage'
import { getToken } from '@/utils/auth'
export default {
  name: 'mechanismcategory',
  computed: {
    headers() {
      return {
        'X-Token': getToken()
      }
    }
  },
  data() {
    return {
      dialogStatus: '',
      list: undefined,
      listQuery: {
        page: 1,
        limit: 20,
        id: undefined,
        name: undefined,
        sort: '+id'
      },
      uploadPath,
      dataForm: {
        id: undefined,
        name: '',
        desc: '',
        iconUrl: undefined
      },
      textMap: {
        update: '编辑',
        create: '创建'
      },
      dialogFormVisible: false,
      listLoading: true,
      total: undefined,
      rules: {
        name: [{ required: true, message: '类目名不能为空', trigger: 'blur' }]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      listMechanismCategory(this.listQuery)
        .then(response => {
          this.list = response.data.data.items
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: '',
        desc: '',
        iconUrl: undefined
      }
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    uploadIconUrl: function(response) {
      this.dataForm.iconUrl = response.data.url
    },
    createData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          createMechanismCategory(this.dataForm).then(response => {
            // this.list.unshift(response.data.data)
            this.getList()
            this.dialogFormVisible = false
            this.$notify({
              title: '成功',
              message: '创建成功',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleDelete(row) {
      this.$confirm('此操作删除该信息, 是否继续?', '提示', {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        deleteMechanismCategory(row).then(response => {
          this.$notify({
            title: '成功',
            message: '删除成功',
            type: 'success',
            duration: 2000
          })
          const index = this.list.indexOf(row)
          this.list.splice(index, 1)
        })
      })
    },
    handleSizeChange(val) {
      this.listQuery.limit = val
      this.getList()
    },
    handleCurrentChange(val) {
      this.listQuery.page = val
      this.getList()
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          updateMechanismCategory(this.dataForm).then(() => {
            for (const v of this.list) {
              if (v.id === this.dataForm.id) {
                const index = this.list.indexOf(v)
                this.list.splice(index, 1, this.dataForm)
                break
              }
            }
            this.dialogFormVisible = false
            this.$notify({
              title: '成功',
              message: '更新成功',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    }
  }
}
</script>

